Burnett, Betty. The laws of motion: understanding uniform and accelerated motion/ Betty Burnett. -- New York, New York: The Rosen Pub Group., 2005. 48 p.: col. ill.; 24 cm. Includes bibliographical references. glossary and index. ISBN: 1404203354 Subjects--Topical Terms: Motion-- Juvenile Literature.Dewey Class. No.: GR 531.11 B934 2005